Heat exchanger for liquids



Jan. 1, 1935. E. BEHRINGER I HEAT EXCHANGER FOR LIQUIDS Filed April 25, 1933 3 Sheets-Sheet l INVENTOR l l l May .n z r h e 5 Z w I ATTORNEY Jan. 1,1935. E. BEHRINGER 1,985,913

HEAT EXCHANGER FOR LIQUIDS Filed A ril 25, 1933 s Sheets-Sheet 2 WW -II M" Tm aw $1 u um r d m I Q S. Q .mYmx

Jan. 1, 1935.

E. BEHRINGER HEAT EXCHANGER FOR LIQUIDS Filed April 25 1935 :5 Sheets-Sheet 3 Patented Jan, 1,1935 1: i i I, 4 i

STATES PATENT,

CHEAT EXOHANGERT'FOR LIQUIDS f; I =1 nmiin hrin ger; ammonium, N. Y. 7

n plicafi zinprirza 1933, ,Serial No; 667,843 z-claim (chasm-20m This invention -;relates to'fiapparatus "for vex-- the .parts on a larger scale, the outer brine chamchanging. the. temperature of liquids and more 'bers not :beingdrawn into close contact with the lwilticularly31:0 meansfor cooling m'i-lk,-as after central frame; I i f palsteuriz g, 'thongh'itjsinoted ,that the inven- Fig.4 is-afragmental side elevation ciacorher.

,5 tiomisnotlimitedxto cooling norutouse formilk. or theapparatus; i ,5 jOfiGObjBOUDfifihi-l invention .is toprovideiappa- Fig: 5 is a fragmental plan-of one (end of. the ratus ofthis kindiin :which a 'largeyolume-of milk"? aDparafltusgthe-parts not being drawn tightlyto or btherliquidzmaybe,quickly.cooled-or heated; 1 gether; r I t Another object .ofthe inventionfistoprovide an 3 Fig. *6 is a fragmentaltransverse vertical.sec apparatusor devicebfthiskind in which all surtional viewgenjthe line- 6 of ,Fig. 2, partly in 10 faces which come in contact with the milk may elevation,- showingthe chambersg- I; be'made easily accessibleior cleaning. 1, "1. I Fig. 7 igsa'fragmental. longitudinal vertical sec- Another'object Iof the inventiomis to5providean ticnal view, partly in elevation; showing the rela apparatus ordevice ofthiskindinwlnchctheparts. 'tion'of said projectionsand-recesses,the section may be quickly separatedfor cleaningandqu-ickly. being taken substantially on the oil-set linefl il 15" reassembledifor operation-.1 I ofEig. -6, looking in thedirection of the=arrows Other objects of the'invention are toimprove of said,line ;;1 H e v 1 2;; generally:thefsimplicity'and .efliciency ofsuch ap- Fig. 8 is a fragment-a1 side aelevation,*-showing paratus and 'to'provide japparatus:,ofz;-.this kind thecuppe-r 'header chamber ,and.;,distributing which is economicalof zconstructiom durable; reimeans, thev-iew being taken substantiallyt from 20 liable and sanitaryinoperatiomandeconomicalto the line'kof 8-8 Fig. 6, lookingin thedirectionoi clean, manufacture and i nstall.- 2 the-arrows of said line;=a;nd j Still' other objects of-athe inventionwillsappear Figs. Qand lozare enlargedfragmentalvertical as the description proceeds; and whileiherein dasectional views showing parts of Figsggfiand fl, tails of the invention are'descr'ibed in the'specifi-tshowing moreclearly the passagespac'e, the 25 cation andparticularly pointed outinthe claims, section of Fig. 10 being -takenfiasubstantially on the invention is not limitedto' these, :since many the linev 1010 of Fig.9, looking inthe direction and various changes may be made without de of the-arrows-of said line; n V parting f'rom thescope of-the inventionas claimed The principal parts-of the apparatus will tfirst 3c in the broader claims." 3: V be very briefly indicated,gafter which theywili The inventive'featuresfor the accomplishment be'describedin detail. q 1 I F of these and other objects are shown herein in ll-stationary support 10-(Fig.=1) carriesa frame connection with an" improved heat exchanger 15 comprising :upper, lower and upright members, which, briefly stated; include'sen inner and a and in which is secured an-inner brine chamber 3.5 pair of outer temperature" exchanging or cold 2. 3 -'(Fig. 6) secured between theupright-irame brine chambers detachablyconnected andhaving membersand spaced.from the upper-and lower a side walls of meanderingfcross sectiontoiorm frame members to form header chambersi24tand' respectively -laterally projecting chamber por 2.5,-(Figs; 6 and 3) for the reception and-discharge tions and deep recesses adaptedt'o receivesaid of the milk {through pipes 63, 66 and 69. Inner 4D projections and to form therewith a thinmechamber side walls 30 of meandering crosfsj-sec anderingpassage space; -A distributing supply tion form laterally projecting chamber'portions and-adischa'rge means'for the milk communicate 31('Fig. 6) received inrecesses 54 of ;theou;terrespectively withupperan'd lower parts'of said flow"chambers 40 detachably' connected;fluid space; while liquid inlet andidi'schargemeans 'for tight by 'means 56, 58 (Fig. .3); to the flanges "20 the brine connect to all the heat exchangechamon each side-of said frame 15. Eachouter cham- 45 here, beingdetachably connected to theouter ber has an inner wall 50. ofmeandering cmsse' chambers, so that the outerchambersand their sectionto' form recesses "54 adapted to receive supports mayber-emoved, to expose all of the sursaid projections 31 andto. form a'thin meander-L faces of said passage spacefor cleaning. 1 ing-mil'k passage 52 connecting said header charm I In the accompa-nying drawings showing; by way bers 24', 25. Inlet and discharge means 70,73, 77 5,0, of example, one embodiment of theinvention, for fcoldlbrine are connectedito :inner' chamber Fig. l is an end elevation showing the'apparatus 23 and detachably connected to the outerchamassembled} j H bers AD by detaching means85,.86, 88 (Fig.5);

Fig. 2 is a side elevation;' When said detachingmeans 56,58',"8.5;fiand88 Fig. 3 is a fragmental end elevation showing aredetachedithe outer chambersem maybierolled 55;

perpendicular to said plane and flanges on p posite edges of the web extended in a direction away from the interior of the frame, said heads 12 being received between the flanges and against the web of the bottom of the frame.

A metallic, enclosed inner flow chamber housing, Fig. 6 made up in one piece, either cast or welded, and generally denoted by 23, for carrying cold brine is comprised of top and bottom walls, 27 and 28, respectively; these latter walls form an upper header chamber 24, Fig. 6 and a lower header chamber 25, Fig. 3." Between the top and bottom walls as viewed inFig. 6 the flow chamber housing is convoluted into a zig-zag formation, the side walls 30 of the housing being angularly convoluted and being joined at their inner and outer ends by curves 31 and 31, as in Figsp9and 6. I These convolutions are closed on their sides by wall 29, Figs. 6 and 10, so 'thatthe flow'housing is only open at ports '7373 for purposes to later be .described,

The housing 23 is mounted spaced midwayb'je-j tween the top 16* and bottom 17 of frame 15 and.

in the interi'or thereof and is so held, by suitable attaching means not shown, between itself and the sides-18l8 of the frame 15.

A pair of elongated movable supports (Figs; 1 and 2) having wheels 36 mountingthe supports for lateral movement on tracks 3'7 having flanges 38 engaging said wheels guiding the movable supports into parallel cooperation with the inner support 10.

An outer flow chamber 40 (Figs. 2 and 6) mounted on each outer support comprises top and bottom walls 41, 42, outer side walls 43- and end walls 44 (Fig. '7), the bottom wall 42 resting on the support, the end walls 44 marginally projecting beyond the other walls as at 44a to form end flanges serving. to help hold heat insulating material'on the walls 41, 42, 43, as at 44b (Fig. 5) The top, bottom and end walls are outwardly turned at the inner edges to form securing flanges 45 (Figs. 5 and 6) adapted to be secured to adjacent respective flanges 20- of the frame 15.

The flanged margins 4'7 of the top and bottom walls 41, 42, are outwardly offset adjacent to the flange to form inner seats to receive inwardly turnedupper and lower flanges 48 of the outer chamber heat-exchanging wall50, the part between s'aid-flanges having'a deeply meandering cross" section cooperating with the end walls to form'deep outwardly tapering recesses 51. adapted, when the securing flanges 45 are secured to the frame, to receive and almost, but not quite; contact the walls 30 of the inner brine chamber, thereby to form a thin meandering passage space 52, of extended wall surface, between-the inner chamber of housing 23 and chamber 40, the said passage, connecting the header chambers 24,25 (Figs; 6 and 3).

The outer face of the side walls 30 of the brine chamber are provided'with spacing ribs 54 (Figs. 9 and lob-disposed parallel to the, end

walls, for engagement with the adjacent heat exchanging walls of the outer brine chambers to prevent restriction of the passage 52.

Means for detachably securing the flanges 20 and 45 together comprise H-blocks 55 (Fig. 4) pivoted at one end between flanges 20 of the frame, each having an outer transverse bore receiving clamping bolts 56 each provided with a head 57 and a wing-nut 58. Adjacent flanges of said frame'and outer chambers are" provided with deepbolt receiving notches 59,-(Fig. 4) adapted to receive said bolts 57 whereby the adjacent flanges 20 and 45 with gaskets 60 therebetween may be clamped together in a fluid tight manner.

A liquidsupply pipe 63 (Figs. 6 and 8) passing in a fluid tight manner through the top 16 of the frame and clamped to the web by a ring nut 64,

provided at its inner end with a T-connection 65 carrying perforated distributing pipes 66 having removable plugs 6'7 closin'gthe outer ends. The pipes 66-are disposed along the header space to distribute the liquid entering "through the supply pipe 63. A discharge pipe 69 (Fig. (5) passesthrough the mid part of 'the bottom 17, whereby a stream of the liquid to be conditioned may be kept passin'g through'thepass'age 52 in contact with the temperature-exchanging walls of the inner and outer chambers.

Lower and upper heat-exchange medium inlet and discharge pipes 70, '71 (Fig. 3)' extending to near one of the ends 18 near the'lower and upper parts of the inner chamber'end walls respectively'carry four-way connectors '72 each secured to a stationary .branch pipe 73 from one member of collar secured ionieach free end portion engages a thick rubber gasket: ring 81 disposed between the collar and adjacent seat '76. A bracket 83 on each 4-way connector has a bore parallel to the horizontal members 75 and carries loosely a. clamping bolt 84 having a wing head 85 at one end and threads 86 at the other. Clamping-jaws 88 on said bolt and engaged by the threads and head respectively are provided with lateral recesses 89 (Fig. 4) adapted to receive the pipes 77 to hold the jaws in engagement with said collars 80 whereby the collars 80, gaskets 81 and seats'76 maybe detachably held together in a fluid tight manner.

' Horizontal baffles 93, 94 (Fig. 6) disposed all the way across said inner and outer chambers except at the extreme projecting portions of the heat exchange surface, serve to keep the stream of heat exchange medium in contact with the heat exchange surfaces.

Bolts 95 passing through the pedestal heads 12 and the lower flanges 20 hold the frame 15 in place and carry locating ring nuts or heads 96 received in recesses in, the flange 45 for locating the outer chambers relative to they frame and inner chamber.

The operation: a 1

While the operation herein described is for cooling milk in the passage 52 (Fig. 9) ,with the milk moving downward therein and brine moving upwardiinthechamber of *23cand lchame ..forth to the lower header [chamber 25*-(Fig; .3) and out 'at the discharge'conduit 69 (Fig. 6)

At the same time the cold brine passes upward.- lyiin-the lower supply, pipe 70 (Fig. 3) *andthen through ithe lower-branch pipes 2.73, 77 into the lower. part of the chamber of housing 23, and chamber *0, where it flows upwardly around the ends .of the battles 93,.94 (Figs. 6 and 9) and'finally outandupwardlythrough the upperpipes 73, 77 andfl'l. .T. 1, i 7:. When his desired touclean the apparatus, the

, flow-of liquidfrom the pipes 63, 69,170, '71, iscut 01f r by means not shown and the chambers drained. Then the; nuts '58. and 385 are. loosened, the clamping means 56 and 88aremoved to the position of themiddle and upperpart ofj'Fig. 4,

whereupon the outer chambers 40 maybe moved,

as indicatedby thedotand dash lines .ofFighfi, and thenytoa position entirely .away froni the inner chamber. Then the parts 6.4, 65, 66,157 (Fig. -8) can bezdisassembled.

'Thiswill make all of the milkreceiving surfaces easily accessible for cleaning andsteriliz'ing, after which .therparts may'rbe reassembled. r I

I claimas my'invention: T

'1. In combinations frame ,comprisingupper, lower and upright members havmg-outwardly directed flanges, .a horizontal inner flowr. chamber, for temperature 'exchangingumedium, secured to and icetween the. upright members. and spaced from the other members 'to:torm inlet and outlet header chambersand said horizontal chamber comprising top andbottom walls,:para1lel ":upright end walls secured tot'he'npright' members, and side wallsof deeply meandering :cross.sec- .tion cooperating with the end walls to formslat'er ally projecting chamber portions; ,outermflow chambers having top, bottom, side landiend walls, the end walls marginallyprojecting :beyond the other wallsto formend-flan'ges; said latter flanges adapted to secured to adjacent respective flanges of said'frarnepthe flangedma-rgins of the top and foottom walls being outwardly ofl'set ad jacent to the flange to form inner seats; the outer chamber comprising an inner .heateex'changmg wall having inwardly turned upper-and lower flanges seated on said seats, the part between said flanges having adeeply meanderingtcross section cooperating as to height with the end wa-llsto form deep inwardly taperingrecesses adapted to receive said projections to form a passage-space; the outer fiaingesdofithe frame and outer chambers serving as projection and anchorage for heat-insulating material secured on the web and outer walls.

2. In combination, a frame comprising upper, lower and upright channel members forming webs; an inner chamber secured to the upright members, and spaced from the other members to form header chambers, said inner chamber comprising side walls of meandering cross-section to form laterally projecting chamber portions; outer flow chamberssconnected fluid-tight on eachside Y of said frame; each .outerbhamber ha ving in? nerl' wall cooperating with said projections to form a thin meandering passage: space connecting said: header chambers; liquid inletand discharge :5:

means connected to the inner chamber and idea tachablyconnectedaito the outer chambersg ca :v

liquid supply pipepa'ssing ina fluid tight manner.

throughitheupper web. of theiframe and'clamped to the web by a, ring nut, and providedfat 'itsine 'ner end with a T-connection; perforatedldistrih j uting pipeshaving detachableplug-closcd outer ends secured in the connectionandadisposed' along the header chamber todistribute liquid -passing in through the supply pipe; and a discharge pipe passing through the mid ipartoi. .thei'lower web,

"whereby'a stream of the liquid'inaybe kept'passing throughsaid passagespacer N 3; Incombination, a frame comprising.- upper,

lower and upright members; an inner chamber secured to the upright-members, and spaced from.

the upper and'lo'wer smembers'to'aform header chambers and comprising side walls; .outerflow chambers connectedxfluid-tight'on each 's'ideyof said frame each outer chamber-having an inner wall cooperating with said side wallsrespectivel'y to. form thin passages connecting said hea'der chambers; and liquidsupply and discharge for the chambers respectively.;. ,7

I 4. In combination, a frame comprising upper, lower andupright members having outwardly directed flanges on each sidey aninner chamber secured to the upright members,iand"spacedfrom thefiupper andlower members to form header chambers said inner chamber comprising i'side walls; outer flow chambers ha-vir ig flanges-as;

tachably connected on each side of said frame? each outerchamber having'an innenwal'l cooper? Yating with the side walls respectively so -as to form thin pa-ssagesconnecting said header' chambersyand liquid supply and discharge means-for the chambers respectively. i i

5. In 'combinationpa framecomprising-upper,

lower and upright members each having outwardly directed flanges; an inner'chambersecured to the upright members and spacedifrom the other members to form header chambers, said inner chamber comprising-side wan-spouse flow chambers connected fluid-tighten; each side of said trame and 'comprising flanges engaged with said flanges of the frame; "each 'outer chainber havinganinner wall-spaced from s'aid side wallsto 'form a passage' connecting said "header chambers;,liquid supply and discharge means tor the header: chambers respectively, a- L discharge means passing' from the lower header ch'amber;

liquid "inlet'and' discharge means for the inner chamber and outer chambers; -'blocks pivotedat one end between flanges oi the frame and ea'ch' having router transverse bore; cla znping'taolts I in said -boieand provided 'withheads and wing-'- nuts; adiacent'flanges of saidframe andqsuter chambersbeing-provided with deepbol-t receiving notches/gaskets between the adjacent flanges, said notches adapted to receive s'aid' bolts' whereby the adjacent flanges and gaskets may be clamped together in a fluid tight manner.

6; In combination, a frame comprising upper,

lower and upright members; an inner chamber secured to the upright members, and spaced from the other member to form header chamberssaid inner chamber comprising'side walls of deeply meandering cross-section to form laterally prosaid supports and connected fluid-tight on each side of said frame; each outer chamber having an inner wall of meandering cross-section to form deep' inwardly tapering. recesses adapted to receive said projections to form a thin meandering passage connecting said. header chambers; an inlet having distributing supply means disposed along the upper header chamber; ,a discharge means passing from the lower header chamber;

cured to the adjacent connectors.

7. In combination, an inner temperature -ex,

, changing chamber; a pair of temperature changing chambers detachably connected to the inner chamber, said chambers 'havingside .walls of deeply meandering cross-section cooperating to form a thinpassage space, fluid inlet and outlets for the top and bottom of said passage, and inlet and. discharge pipes extending to near. different parts of said chambers respectively; a 4-way connector on each pipe communicating with the inner chamber; each connector having oppositely dis.- posed horizontal members each provided with an end seat face; movable branch pipes extending through the upper and lower parts of'the'outer chamber to near the-respective end seats and having free ends adapted to be received in said seats; a clamping collar securedon each free end portion; a-thi'ck rubber gasketring disposed between the collar and adjacent'seat; a bracket on each 4-way connector each havinga bore parallel to the horizontal members; a clamping bolt in said bore having a wing head at one end, and threads at the other; and clamping jaws on said bolt and engaged bythethreads and head and provided with lateral recesses adapted to receive the pipes to hold the jaws in engagement with said collars wherebythe collars, gaskets and seats may be held together'in a fluid tight manner.

8. In combination, a pair of: supports one of the supports being movable relative to the other; a pair of temperature exchanging chambers detachably connected to each other, and mounted on saidsupports, said members having adjacent side walls cooperating to form a thin meandering passage; fluid inlets and outlets for said chambers, and milk supply and discharge means communicating with opposite parts of said passage,

9. In combination, a pair of supports;-wheels on one of the supports; tracks for said wheels extending transverse to the supports; a;pair of temperature exchanging chambers detachably connected to each other, and mounted on said supports, the chambers having adjacent side walls cooperating to form a thin passage space; supply and discharge means communicating with opposite parts of said space; and liquid inlet and dischargemeans for said chambers, being detachably connected to one of them.

Incombination, an elongated inner pedestal support having feet and flat supporting heads at the ends; an elongated rectangular frame supported in a vertical plane and comprising upper,

lower and upright members consisting each of a webperpendicular to said plane and flanges on opposite edges of the web extended in a direction away from theinterior of the frame, said side walls of meandering cross-section to form laterally projecting chamber portions; a pair of elongated movable supports having wheels mounting them for lateral movement; tracks for said wheels guiding the movable supports into parallel cooperation with the inner support; an outer flow chamber having a section mounted on each outer support and connected detachably and fluid-tightly on each side of said frame; each outer section having an inner wall of meandering cross-section to form recesses adapted to receive saidprojections and to form a thin mean.- dering passage connecting said header chambers; and liquid supply and discharge means for the chambers respectively. I

11. In combination, a frame including a band or web, a chamber disposed within said band and spaced therefrom, said chamber havingside extensions; an outer chamber having sections 00- operating'with said extensions and spaced therefrom, said sections having theirinner ends engaged against the sides of said frame, and said spaces providing a continuous passage; top and bottom inlet and outlet means disposed in said band and communicatingwwith said passage whereby fluid may be moved downwardly therethrough; and tubular means communicating with the bottoms and tops of the respective chambers, whereby't'omove fluid upwardly, thetubes of said inner chamber being passed through said band so as to support said inner chamber.

12.In combination, a rectangular frame including a web, a chamber disposed within said frame in spaced relation therewith and having a practically fiat top, said chamber having side extensions; an outer chamber having sections cooperating with said extensions and spaced therefrom to form a passage, said sections having their inner ends engaged against said frame; tubular means'passing through said web to and from the bottom and top of said inner chamber whereby to support the latter; tubular means passing into and out of the bottom and top of said sections; said means adapted to controlupward movement of liquid through said chambers; liquid inlet and outlet means disposed in the top and bottom portions of said web and being in communication with saidpassage, and means carried by said inlet means for distributing liquid over said flat top and downwardly through 

